Means for securing together against rotation the parts of gear casings



March 30 1926. 1,578,424

C. A. GODSHALK I MEANS FORSECURING TOGETHBR'AGAINST ROTATION THE PARTS OF GEAR CASINGS Filed Nov. 16, 1922 2 Sheets-Shae; 1

alitozmq March 30,1926. L 1,578,424

. c. A. GODSHALK,

MEANS FOR SECURING TOGETHER AGAINST ROTATION THE PARTS OF GEAR CASINGS Filed nmh ls, 1922 2 sneets-shet 2 4 40- J z 9 x i I I 7 I 1 1 1'? w, 3. 1| J f V QlohzcedZOdahM.

" Patented Mar. 30 1926.1

' GMRENCBPA- E- 3 PHILADELPKIA, rem s'rwmtet essxenoemb IFQX 1 V numouogrwn nnenvoms; .GOBBQRAE QNLOE BEILADELBHIAL. BEN meme-11 e,-

003203411011 03. DELAWAR ueeaemn SECURING measure-E Aemsm mi;mmm wmwees 13 ll whi nuit tmay' ceno mi Be. it known th,et.' ',.C 1 -F N OD- IS AL a eitizenotjthe United States,,re'sic1- in 'atfPhiladelphia inthe county of Phila- 5 d e Tp1ii a, ancLStateof Pennsylvania, have in- These late dif ttib ted' and, f l automobile 15. aeeesseniee and. a e-app ied o re which 7 at e erigina lyt eq l pped itht rdinaxyy eneloekingl ypel f i t er g h e An elenient'ofjsueh locking means is a cap hat replac s the rdine ty; ap f h 'gee I fjc-a eatthe. upperl nde t he. steering l mn, 0.,eenst ue eiii'.arev to serye as h s a i na y .e mentmith wh hthe l ckingbo t ngage Thie ai angement makes it necessary that he gQLITA- E SQW ap b i leaked 1: l eme ege iistlrptatieni,-.ele when the s'teririgwheel i eaked; to he sei ;.cen t e'l tt i my be V tnijneglj upon the thread. that V unitesv it with thegeateee TWQmethqds-O securin the .speie y= n tm1cted gee esemp Oi, an au- T, tQ l rQhilW ll to. he edy f e g Case e e. newt-Y in lumn pr ti e O e 4 is to 'nn teth mhy' vs9mash-til :e nded ho tsiwhich yeeqess a es drilling, and S ewhr a ing epe t ree i e e ge r-cas to e eiv h bolts;,endk hez then sto use o h leek; .i'n eineins ead f rewh aded bo t rblltT i 'se; nce, beingf lt nv in p ac a My,v inventiqn. fe i Objec [to P 401 iLQQ mQ LS, for; se ri g. h m}? of ee -v ea se o'fj automobile Steering j mechanism g instrotet bn', w i h means may as y ndiq i klyappl e nd'else may e as y remmied whenf it becomes desirable, to take 7 ofl? the capand openiup thG'QQaIf-CZISQ, The

inyenti on is particularly adapted "for the "use just lreterred' to,?but' is not limited' in' its p i-aetioal'.applications to that particular use. a 1 In the accompanying drawing Fig l an elenationpartly ineeetion of h w isez nsi 1m i ele n thle t ii ge f uemeutemOB Ie of the Fordwy e; the

' egg gingeonstfuetegrto'serte ae of a 100k for the steering 'Wheehthe, and

ease being rigidl y seeured'together' against rotative movement 'aoeo'rding to one form of my invention. 7 a

Fig; 2 is a planwiew of trated in Fig. 1

L Fig. '3 is a vie w'slimilan to illustrating the intent-ion as shown F igifi 1 Referring tothe d aWingS Z designates the case located at the topof the' stee 'ing" post 3' that, encloses and protects the steering gear of a'For d type steering Ineehanisin for an automobile. I tdeeignates' the cap that closes the ,npper open endi of the gear-ease,

the two being united by screw threads" 5. I

The cap is formed with an, attaehinent" 13 that "eonetitutes part of a steeringheel locking 3 mechanism, this being of usual or prefe red construction. In the'present i1- lustra'tion it is' represented; i s being'a" hub ing wheel 'is attaehed in the n snal lnanner, there be ng; tormed ln thiehuh a series of -rfecesses 14 adapted toflreeeivjealooking bolt carried by "the' steering'wheeli The 'part's' of this looking meehaniemjtist i'eterred to' age not shown; except the part 18 A carried 'h'y the "gear ase' eap, as'the1oek-foiins no part of Presentfinventio p 1 Y .It will be unders't 0d that the eap f t-1s part ofthe"lo ckeqhip nent, which is usually sold as an aoeessoly anctfi s adapted to 'be' applied to the gearfease2 of anyfFol d'gear,

replacing the eapfwhieh was aQpartfof the original-installation. Inthe top" I V v the 'ca'pare formed one or 7 more? screw P ate 1 o threaded opening 8 fonnbeingrepresented,

and these Communicate with gioo'v'e's. 9" out in the inner. 'faee-ofitheskiit 750i the cap the pants illus-"f I v v Fig 1' ilhts- 'tratlng a second form of'my inventlon.

'p rojecting'from the outer tacefof the top a6 ofthe gear-case, eapjand adaptedtosurround the rotatable shaft to which "the steeran opening 8 and its communicating groove '9' is, inclined'tolthe setew -thlead ed portion ofit-he cap the grooves 9 fl'a1 ing outwardly from A the s c'rew-thife acted' op nings to their innef o1- loweren'ds'.

10 are pine adapted to. be seated in @the againstf relative rotatieni The "pitle 'fShoWn in 1? a e ref pharl steel} an igen,

preferably cylindrical with their outer ends somewhatenlarged, and screw-threaded at i 11 to fit the screw-threaded openings 8. The

outeruor screw-threaded ends of the pins have formed in them'radial'kerfs 12 to re ceivethe end of a screw driver; While their inner ends are sharpened or shaped so they Will cut channels in the screw-threaded por- I and of uniform size. in cross section from completing the pin seats.

" tions of the metal of the softer gear-case as the pins are driven into the grooves 9, tl'ius' The part ofthe pin that is to occupy the groove 9 is straight end to end. The groove 9 serves to hold and guide the pin and is so disposed with refer ence to the gear case 2 that as the pin 18 driven therein the front cutting edge'ofthe latter overlies the edge of the gear case directly'opposite' the groove, so that as the pin is forcibly drivenendwise'into the groove,

' following and being guided by the latter, its

foi'ward cutting edge forms a kerf in 'the wall of the case 2, which is ofisoft metal as compared with the metal of the pin."

. ing' the cap of the original equipment. .In "making this attachment theperson install- My, invention is practiced as follows: The

cap {l is screwed onto the gear-case, replacing the lock does not have to exercise any care in having the openings 8 and grooves 9 register with any particular part of the stationary gear case. The cap is screwed on until it is tight. The Workman then insertsa pin 10 into one of the openings 8 and drivesfitinto'place by means of a hammer the pin following the groove 9. The

end of the hard steel pin will cut a groove in the screw-threaded face of the softer gearcase as the pin is driven into place, and

finally, becoming seated, partly inthe groove 9 andpartly in the groove whichithas just cut, will lock together the parts 3 and 4, preventing any relative rotation thereof.

-The angle of the groovev 9, relative to the \va'llof the gear-case, andthe depth ofthe.

- groove, are such thatat about the time the inner end. of the screw-threaded portion 11 of the pin comes to the upper face of the top.6 of the cap the inner end o-f the pin comes out of the gear-case,or leaves the surface thereof, having then finished cutting the; groove in the latter. progress of the pin in an inward direction. is easy and is secured by turning the pin to cause its screw-threaded .part 11 to engage Y 7 Withthe threaded aperture 8. It will thus Thereafter the a be seen that the only tools required to install the special cap are a hammer todrive the pins while they areshearing their .ways

alongzthe face of the gear case and cutting 'grooves in which they are to lie, and a yysci'ew driver to finallv seat them with their outer ends flush'with the top plate 6 of the 7 G5 cap. -N0t onlymay the pinsbe easily a plied as just described, but they may be heads 11'.

easily i'oii'i'oved, being started by the use of a screw driver, and then, When the screwthreaded ends 11 have disengaged the threaded openings inwhichthey were seated, pulled out by means ofa pair ofpliers.

. In Figs. 3, 4 and 5 Ihave' illustrated a difadapted toienter and be seated in a recess 16 formed therefor in the plug 11. 'The'plug is centrally perforated to permit the pin! to pass through it. I y I i The parts illustrated 'i1 'F1 3; e 1nstalled as follows: The cap is screwed upon the' gear-case in the same way as has been described in referring to the embod ment of the invention'sl-iown in Figs-'1 and 2. Wlie'n this has been done thelworkman, by means of a hammer, drives the pins 10.1nt 'o place,

and'asjthisis done they'cutseats for themselves in the softer'metal of the gear-case. They are driven in until their heads 15 are properlyjseated in the plugs 11; which then serve as enlarged screw-threaded heads for the pins. When it is desired to remove a pin the plug associated.- therewith is, by 7 means ofla screw driver, Withdrawn from its seat in'the top plate 6, drawing o'ut'with'it,

thepin. .fW'hen the plug disengages the cap the pin'issufiiciently freed to permit'itto' be pulled out, by means: of pliersfor other 'tool.- In this latter embodiment of my invention it is not necessary. that the grooves. 9 for the pins 10, and the screw-threaded apertures for theplugs 11, shall be inclined relative. to the screw-threaded face ofthe.

gear-case asis represented in Fig. 1, because the pinsare "driven fully to place byjthe,

blows "of a hammer, theirlfinal seating not i being accomplished bythe screw-threaded plugs 1l,'these latter servin to the gear-case of an automobile steering mechanism, for which itfhas been particularly devised, but it willbie apparentlthat the gear case and the cap ttherefor are typical of metal parts to be united and. held; against relative rotative. inovements ,by

means such as I have described,' and I thereg .onlyto assist in the removal of the pins. in; i

I have illustrated my invention as applied;

fore wish it to be understood that my i-nvention is adapted for a Wide'varietyof uses other than that herein illustrated and specifically described.

It Willbe seen'by' referenceltofthe drawings that while the skirt ofthe cap of the gear case extends beyond the screw threads 5, the lower ends of the grooves constituting the seats for the locking pins are not closed,

but are rather left open so that any chips of metal that may be formed during the inser- 1 lVhat I claim is tion of the locking pins, or other particles of material that may be in the grooves, are

l 1. The combination with a case, and a cover therefor, having screw-thread connection therewith, the/end Wall of the cover having a screw-threaded opening through it and there being formed in the "inner Wall of the skirt of the cover a groove constituting a partial pin seat, of means for preventing rotation of the cover upon the case, comprls- J ing a pin of hard metal adapted to be driven into the said partial pin seat and to cut a kerf in the opposite Wall contiguous to said partial seat as it is being driven into place,

the outer end of the pin, lying in the said opening in the cover and having screwthread connection 1ng position.

2. The combination with two CODCGIltIl:

cally arranged cylindrical members one sup.-

therewith when in lock- V pm is dr ven into the groove. a

ported on the other, ofmeanslfor preventing the relative rotation of such members, com

prising a' smooth locking pin adapted to be driven into and to fit aseat 1n the contiguous Walls of the said. concentric members,

the outer end of the pin having screw thread 7 I connection With one ofthe members, the

smooth part of the pin and the said screw-1 threaded connection thereof'being separablefrom each other.. I c

3. The COlHbll'lEltlOIl with a case and a covertherefor having screw-threaded connection'thereivith, the vend all ofthe cover ing with which registersa groove .formed having formed in it a screw-threaded openin the skirt of the cover constituting a partial pin seat, of means for preventing rotat1on of the cover relative tOlShG' CELSG, comprising a plug seated: lnthe screw-threaded opening in the end of the cover, and a headed pin passing through the said plug' and, having a smooth portion adapted to enter ml the groove in the skirt of. the cover and hav} f I ing its end adapted to cut a kerfin the Wall of the case opposite the said --grooveasthe CLARENCE'AVGODSHALK, 

